<?php
/* 
 * Copyright (c) 2011 Antoine d'Otreppe de Bouvette
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */

class SimpleTemplateRenderer implements TemplateRenderer {
    private $templateProvider;
    
    public function __construct(SimpleTemplateProvider $templateProvider) {
        $this->templateProvider = $templateProvider;
    }
    
    public function renderTemplate($name, array $vars,
            array $inheritable=array()) {
        $template = $this->templateProvider->getTemplate($name);
        $blockManager = new BlockManager($this->templateProvider);
        
        $body = $template->render($blockManager,
                                  array_merge($inheritable, $vars));
        $blockManager->forceStop();
        
        while ($blockManager->hasNext()) {
            $blockManager->setBody($body);
            $template = $blockManager->getAndClearParent();
            $body = $template->render($blockManager, $inheritable);
            $blockManager->forceStop();
        }
        
        return $body;
    }
}
